First light for Hokupa'a: 36 Element curvature AO system at UH

J. Elon Graves, Malcolm J. Northcott, Francois J. Roddier, Claude A. Roddier, Laird M Close

Research output: Chapter in Book/Report/Conference proceedingConference contribution

51 Citations (Scopus)

Abstract

The University of Hawaii adaptive optics program has scaled its previously successful 13 elements AO system to 36 actuators and named it "Hokupa'a", meaning "immovable star" in Hawaiian. First light for Hokupa'a in early November of 1997, was on the Canada France Hawaii Telescope on Mauna Kea, an f/35, 3.35 meter telescope. Performance at the telescope has now been measured and compares favorably with that predicted theoretically. The extension to 36 elements has now allowed the system to give diffraction limited performance down to I band on stars as faint as 12.5 magnitude in median 0.7 arcsecond seeing on Mauna Kea. Like our previous system, extensive computer simulations were carried out to achieve the best possible match between the curvature WFS and the deformable curvature mirror.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Pages34-43
Number of pages10
Volume3353
DOIs
StatePublished - 1998
Externally publishedYes
EventAdaptive Optical System Technologies - Kona, HI, United States
Duration: Mar 23 1998Mar 23 1998

Other

OtherAdaptive Optical System Technologies
CountryUnited States
CityKona, HI
Period3/23/983/23/98

Fingerprint

Telescopes
Telescope
Curvature
curvature
telescopes
Stars
computer systems simulation
Star
Immovable
stars
Adaptive optics
Adaptive Optics
France
Canada
adaptive optics
Diffraction
Actuator
Mirror
Mirrors
Computer Simulation

Keywords

  • Adaptive optics
  • AO optical system design
  • AO telescope performance
  • Curvature deformable mirrors
  • Curvature wavefront sensing

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Graves, J. E., Northcott, M. J., Roddier, F. J., Roddier, C. A., & Close, L. M. (1998). First light for Hokupa'a: 36 Element curvature AO system at UH. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 3353, pp. 34-43) https://doi.org/10.1117/12.321698

First light for Hokupa'a : 36 Element curvature AO system at UH. / Graves, J. Elon; Northcott, Malcolm J.; Roddier, Francois J.; Roddier, Claude A.; Close, Laird M.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 3353 1998. p. 34-43.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Graves, JE, Northcott, MJ, Roddier, FJ, Roddier, CA & Close, LM 1998, First light for Hokupa'a: 36 Element curvature AO system at UH. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 3353, pp. 34-43, Adaptive Optical System Technologies, Kona, HI, United States, 3/23/98. https://doi.org/10.1117/12.321698
Graves JE, Northcott MJ, Roddier FJ, Roddier CA, Close LM. First light for Hokupa'a: 36 Element curvature AO system at UH. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 3353. 1998. p. 34-43 https://doi.org/10.1117/12.321698
Graves, J. Elon ; Northcott, Malcolm J. ; Roddier, Francois J. ; Roddier, Claude A. ; Close, Laird M. / First light for Hokupa'a : 36 Element curvature AO system at UH. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 3353 1998. pp. 34-43
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